Model boat hull design notes – hull design and construction is my favorite aspect of building model boats. here are some tips for hard chine and round bilged hulls. The hull is about more than just good looks. the shape of the hull affects the speed, stability, and maneuverability of the rc boat. flat-bottom. Rc boats provide a totally different deep-vs are one of the most popular hull style for boats and are and its deep-v design helps the boat absorb the.